Statistics per run (over 30 runs) of the number of times each procedure was sampled OProfile: App/Library Procedure Average Std Dev 95% Confidence Interval ----------- --------- ------- ------- ----------------------- djpeg decode_mcu 0.10 0.000 [ 0.100, 0.100] djpeg h2v2_fancy_upsample 0.70 0.000 [ 0.700, 0.700] djpeg keymatch 0.03 0.000 [ 0.033, 0.033] djpeg ycc_rgb_convert 1.40 0.000 [ 1.400, 1.400] libc-2.3.5.so _IO_file_xsputn@@GLIBC_2.1 0.03 0.000 [ 0.033, 0.033] libc-2.3.5.so _int_free 0.03 0.000 [ 0.033, 0.033] libc-2.3.5.so mempcpy 0.07 0.000 [ 0.067, 0.067] libc-2.3.5.so memset 0.23 0.000 [ 0.233, 0.233] main app jpeg_fill_bit_buffer 0.07 0.000 [ 0.067, 0.067] main app jpeg_idct_islow 1.10 1.000 [ 0.742, 1.458] no-vmlinux (no symbols) 0.70 0.000 [ 0.700, 0.700] Statistics per run (over 30 runs) of the percentage of execution time spent in each procedure, as measured by OProfile: App/Library Procedure Average Std Dev 95% Confidence Interval ----------- --------- ------- ------- ----------------------- djpeg decode_mcu 2.24% 0.000% [ 2.239%, 2.239%] djpeg h2v2_fancy_upsample 15.67% 0.000% [ 15.672%, 15.672%] djpeg keymatch 0.75% 0.000% [ 0.746%, 0.746%] djpeg ycc_rgb_convert 31.34% 0.000% [ 31.343%, 31.343%] libc-2.3.5.so _IO_file_xsputn@@GLIBC_2.1 0.75% 0.000% [ 0.746%, 0.746%] libc-2.3.5.so _int_free 0.75% 0.000% [ 0.746%, 0.746%] libc-2.3.5.so mempcpy 1.49% 0.000% [ 1.493%, 1.493%] libc-2.3.5.so memset 5.22% 0.000% [ 5.224%, 5.224%] main app jpeg_fill_bit_buffer 1.49% 0.000% [ 1.493%, 1.493%] main app jpeg_idct_islow 24.63% 22.388% [ 16.615%, 32.638%] no-vmlinux (no symbols) 15.67% 0.000% [ 15.672%, 15.672%] Total Samples per run (over 30 runs): Average Std Dev 95% Confidence Interval ------- ------- ----------------------- total_samples 4.47 1.000 [ 4.109, 4.825]